- C. Jul. Herbertz GmbH
- C. Otto Gehrckens
- C.L. Becker GmbH
- C&T Solution Inc.
- CA Backup Arcserver
- Cables RCT
- Cablofil
- Cablofil Legrand GmbH
- Cadonix
- CAE
- Caillau
- Calex
- Calpeda
- CALPEDA Pumpen Vertrieb GmbH
- Calzoni Denison
- Camelion
- Camfil
- Camfil KG
- Camie Campbell
- Camille Bauer
- Camille Bauer Metrawatt AG
- Caminetti
- Camozzi
- Camping Gaz Deutschland GmbH
- Campingaz
- CAMTEC
- CAN-AM CHAINS
- CANCOM
- Cannon Bono Energia S.p.A.
- Canon
- Canon doki-scanner
- Canton
- Caprari
- Caprari Pumpen
- Captron
- Caramba
- Caramba Chemie GmbH & Co. KG
- Cardiff cable
- Cardiff cable
- Carel
- Cargo drechsler
- Cargo Drechsler Anschlagmittel
- Carl Capito GmbH Geschäftsbereich Transportgeräte
- Carl Fuhr GmbH & Co.KG
- Carl Padberg (CEPA)
- Carl Stahl Süd GmbH
- Carl Wüsthof KG Stahlwarenfabrik
- Carlo Gavazzi
- Carlo Gavazzi Automation
- Carlo Gavazzi Automation
- Carlotta de Bevilacqua
- Carol Cable
- Carrera
- Carrier Klimatechnik GmbH
- Casals VENTILACIÓN INDUSTRIAL IND, S.L.
- CASAPPA
- Cascade
- CASE
- Casemet
- Casemet
- Casio
- Caster,
- Castrol
- Casttec
- Castwin
- CAT Pumps,
- Catellani & Smith
- Caterpillar
- CATTRON - THEIMEG - Laird Controls
- Cavotec
- Cba pneumatic
- CCM Motors
- CCM Motors
- CEAR S.r.l.
- Ceba S.r.l. Industrial Service
- Cebora
- Cejn
- CeJN Pneumatik
- CEL
- Celduc
- Celesco
- CellMedia
- Cellpack
- Cembre
- Cembre
- CEME S.p.A.
- Cemo GmbH
- CENTA
- Centrosolar
- Cetec GmbH Easy Clean
- Cetec, Leverkusen
- CFH Löt- und Gasgeräte GmbH
- Champtek
- CHANGHE
- CHAPEL Hydraulique GmbH
- Chart Biomedical
- Chauvin Arnoux
- Check Line
- Chelsea
- Chem-Calk
- Chem. Werke Kluthe GmbH
- CHEMOS GmbH & Co. KG
- Chemsavers, Inc.
- Cherry
- Chesterton
- Chesterton International GmbH
- Chevmvac Pumps Ltd,
- Chiaravalli
- Chicago Pneumatic
- Chief
- Chilitec GmbH
- Chinfa
- CHINT
- CHINT
- Chiral Technologies
- Chiron
- Christian Bauer
- Christian Dell
- Christian Maier
- Christine Kröncke
- Christoph Kügler
- CHROMA
- Chromalox auch USA Produkt
- CIB UNIGAS S.p.A.
- Cimco
- CIMCO Werkzeugfabrik Carl Jul. Müller Gm
- CIMCOOL
- CIMME
- Cinch
- Cinch Connectivity Solutions
- CINCH Connectors
- Cincinnati Milacron
- Cincon Taiwan
- Cintropur Wasserfilter
- Circuit Assembly
- CIRCUTOR
- Cirval
- Cisco
- Cisco Systems
- Cisco Systems
- Citadex
- CITEL
- Citel
- Citrix
- CJC
- CKD
- CKD
- CKD Dichtungstechnik
- Claas
- Clage
- Clarcor
- Clariant
- Clarity
- Clark
- Clean Melt
- Cleco
- Cleoni
- Clipox
- CM Cross Morse
- Cmc Instruments GmbH
- CMD
- CML Microcircuits
- CML Technologies GmbH
- CMO Valves .
- CNIM ECS - Environmental
- CNW IT-Systeme GmbH
- Co-rist,
- Coast
- COAX
- COBA Europe GmbH
- Codaitec
- CODICO GmbH
- Coel
- COFI srl
- COG-BELT CARLISLE
- COGEBIO
- Cognex
- Cohline products
- Cole Parmer
- Coleman
- Coleman Cable Inc
- Colfax
- Collomix GmbH
- COLOMBO FILIPPETTI SPA
- Colson
- Columbus McKinnon
- Columbus McKinnon Engineered Products GmbH
- Columbus McKinnon Industrial Products GmbH
- Comair Rotron
- Comat - Releco
- ComatReleco
- ComatReleco
- COMATROL
- Combitec
- Combustion Concepts PVT. LTD
- Comelit
- Comer Industries
- COMETI S.A.S
- COMEX
- Comhas Srl
- ComInTec S.r.l.
- Comitronic BTI
- Commvault
- Compab Eldab AB
- CompAir
- Compere
- Compere
- Comtran Cable
- Comtran Cable
- Comtrol Corporation
- CONACURE
- CONAP
- CONAPOXY
- CONATHANE
- Concar
- Concentric Hof GmbH
- Conder Environm
- Conductix Wampfler
- Conductix-Wampfler AG
- Conductix-Wampfler GmbH
- Conec
- Conelcom
- Conelcom
- Conexa GmbH Präisionsarmaturen
- CONEXEL
- Connectwell Industries
- Connectwell Industries
- Conquer
- Conrad
- Consort
- Consysta Automation
- CONTA-CLIP
- CONTA-CLIP
- Contarini
- Contelec
- Contelec AG
- Conti
- CONTI Synchroflex
- Conti sanitär
- Continental
- ContiTech
- ContiTech Luftfedersysteme GmbH
- ContiTech Schlauch GmbH
- Contraves
- Contrinex
- Contrinex Sensor GmbH
- Control Air
- Control Techniques
- Control Techniques GmbH EMERSON
- ControlAir
- CONTROLLI
- CONTROLLI S.p.A.
- ControlTec Sp. z o. o.
- Conxall
- CoolTherm
- Cooper
- Cooper Automotive Niveauschalter
- Cooper Crouse-Hinds GmbH
- Cooper Interconnect
- Cooper Lighting
- Cooper Power Systems
- Cooper tools
- Cooper Wiring Devices
- Copeland
- COPPUS
- Cordial
- Corel
- Coremo Ocmea S.p.A.
- Corning
- Coroplast Fritz Müller GmbH & Co. KG
- Corteco
- COSEL
- COSEL
- COSMOTEC
- Costenoble
- Coulthard
- Coutant Lambda
- COX
- Cp
- CPC
- Crane
- Crassus
- CRC
- CRC Industrie Deutschland GmbH
- Creating connectors
- Crepelle
- Crest Pumps Ltd,
- Crestron
- CROSBY EMERSON
- Crosby Group
- Crouse-Hinds
- Crouzet
- Crouzet GmbH
- Crown
- Crydom
- Cryoandmore
- Cryoconcept
- CS Instruments
- CS ITALIA srl
- CSB
- CSB - Batteries
- CSN
- CSTIPC
- CSTIPC
- CTC Vibrations- Hardware
- CTEK
- Ctouch
- CTS Clima Temperatur Systeme
- CTV
- CUENOD S.A.S
- CUMMINS
- Curver
- CWS
- Cyclo
- CYCLOPS
- Cynergy
- Cynergy Zero
- Cytac
- Czech Meteorological Institute CMI